At some point in your career, you might receive an offer letter, a grant notice, or have a conversation with HR that includes talk of equity compensation. You’ll probably hear about a total number of shares, a vesting schedule, and several terms you may never have seen before.
You will nod along, sign where indicated, and quietly wonder what you actually just agreed to.
You are not alone. Equity has become a common part of modern compensation packages, commonly included in executive-level roles across industries, but its complexity means it is often less understood than it should be. For employees at startups and growth-stage companies, equity compensation can represent more long-term value than years of salary. At the same time, for founders and leadership, it is a powerful tool for aligning the people building a company with the outcome they are working toward.
At the most basic level, equity compensation means the company is giving you some form of ownership as part of what you are paid. Instead of (or in addition to) cash, you’re receiving a piece of the company's value. If the company grows, that may become worth real money. If it doesn’t, it may be worth nothing.
Equity allows companies and their employees to share in both the risk and the reward of building something. When it works, it is genuinely wealth-building. When it does not, it is a lesson in reading the fine print.
The Main Types of Equity Compensation
Equity can take several forms, and the differences between them matter.
Stock Options
Stock options are the most common form of equity grants at early-stage companies. An option gives you the right to buy shares at a specific price, called the strike price, set on the day the option is granted. If the company's value rises above that price, you can buy the shares and either sell them at a profit or hold on to them. If the company's value never exceeds your strike price, your option will expire worthless.
There are two types of options that matter when it comes to equity compensation. Incentive Stock Options, or ISOs, are available to employees only and carry more favorable tax treatment if you hold the shares long enough. Non-Qualified Stock Options, or NSOs, can go to contractors and advisors too, but the gain at exercise is taxed as ordinary income.
Restricted Stock Units
RSUs work differently. Instead of granting you the right to buy shares at a certain time and price, an RSU is a promise that the company will give you shares at a later date once you have met certain conditions, typically staying at the company long enough to vest them. RSUs have value as long as the company's shares have value, and you do not have to buy anything. When they vest, you receive the shares, and their value at that point is taxed as income.
The tradeoff with RSUs is that they offer less potential upside than options. If a company's value doubles from your grant date to your vest date, the RSU captures that gain proportionally. An option granted at an early, low strike price can capture a much larger multiple.
Phantom Equity
Phantom equity is when you get the financial advantages of company ownership without actually owning anything. Typically this means you’ll get a cash payment that’s tied to the company's value in the event of a liquidity event, as if you held shares. This structure is common in companies that cannot or do not want to issue actual equity.
Understanding Vesting Timelines
Whatever form your equity takes, it is almost certainly subject to a vesting schedule, or a timeline over which you earn it. The most common structure is four years with a one-year cliff, meaning that you get nothing in the first 12 months, 25% of your grant at the one-year mark, and the remaining shares gradually over the following three years.
This type of vesting schedule is designed to protect the company. If you leave in month 10, you walk with nothing. If you leave in month 14, you keep only what has vested so far. This is not punitive, it is the mechanism that ensures equity goes to people who actually contributed to building the company, not those who passed through briefly.
Understanding your vesting schedule is not optional. It determines what you have, when you have it, and what leaving early could cost you.
The Questions You Should Be Asking
If you have received an equity grant and you are not sure what it is worth, start here.
What percentage of the company do you actually own? A grant of 10,000 shares sounds meaningful, but whether it is or not depends entirely on how many total shares exist. Ten thousand out of 10 million is 0.1%. Ten thousand out of 100 million is 0.01%. Ask for the fully diluted share count, the total number of shares including all options and grants outstanding, and do the math.
What is the company actually worth, and what would it need to be worth for your equity to matter? This requires an understanding of what is known as the 409A valuation, which is the IRS-approved fair market value of a common share, and the liquidation waterfall, which determines who gets paid first when a company exits. Investors in most venture-backed companies hold preferred shares with priority over common shareholders. That priority can significantly reduce what employees receive in a modest exit.
What are the tax implications of what you have, and when do they apply? This is where equity compensation gets genuinely complicated. Options trigger tax liability at exercise, while RSUs trigger them at vesting. One form of stock option, the ISO, may trigger the Alternative Minimum Tax when exercised, even if you have not sold anything. And for certain early employees at qualifying C-corporations, a provision called the Qualified Small Business Stock exclusion may allow you to exclude a significant portion of your gains from federal tax entirely, but only if the right conditions were in place at the time of issuance.
The Step Most People Skip
The single most important thing most equity holders do not do is get advice before they need it.
Many of the decisions that will determine your tax outcome, including when to exercise, whether to file an 83(b) election, how to think about a tender offer or a pre-IPO secondary sale, and more, have deadlines and windows that do not wait for a convenient moment. Missing them is often permanent.
Equity compensation rewards the people who understand what they have. Not because the rules favor the sophisticated, but because they are complex enough that the difference between a good outcome and a disappointing one often comes down to a single informed decision made at the right time.
If your offer letter includes equity and you are not sure what you have, that is exactly when the conversation should start.
Composition Wealth, LLC (“Composition Wealth”) is a registered investment adviser. Advisory services are offered only to clients or prospective clients where Composition Wealth and its representatives are properly licensed or exempt from licensure. The content is for educational purposes only and should not be considered investment, financial, tax, or legal advice. It should not be treated as a solicitation to buy or sell securities and does not consider individual investment objectives, strategies, tax status, or horizon. Please consult your own tax, legal and accounting advisors before making any related decisions.